﻿// See https://aka.ms/new-console-template for more information
string fullName = @"C:\G\dxf-ok\test\foldera\1.dxf";
using (FileStream fs = new FileStream(fullName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
    Console.WriteLine($"occupy {fullName}");
    Console.ReadKey();
}
Console.WriteLine("Hello, World!");
